2.5" or 3" Exhaust in Turbocharged 420A

[Giomyman11]

I wanna turbo my 420a and I was wondering if I need to replace my exhaust to be 3 inches or can I keep my 2.5 inch exhaust

 

[Venum]

Depends on your end goal. I had a 2.5" exhaust for a while with my turbo setup while running 8 psi. BUT to get better flow and ultimately faster spool you will want to upgrade.

Hope that helps!

-Adam

 

[Giomyman11]

Depends on your end goal. I had a 2.5" exhaust for a while with my turbo setup while running 8 psi. BUT to get better flow and ultimately faster spool you will want to upgrade.

Hope that helps!

-Adam

Thankyou that helped a lot